diff --git a/pandora_console/include/functions_reporting.php b/pandora_console/include/functions_reporting.php
index 4c7438ebb8..09322c7a8c 100755
--- a/pandora_console/include/functions_reporting.php
+++ b/pandora_console/include/functions_reporting.php
@@ -8682,8 +8682,8 @@ function reporting_availability($report, $content, $date=false, $time=false)
                     $item['id_agent_module']
                 );
 
-                if (isset($item['compare']) === true
-                    && empty($item['compare']) === true
+                if (isset($item['compare']) === false
+                    || empty($item['compare']) === true
                 ) {
                     $row['data']['compare'] = false;
                 } else {
diff --git a/pandora_console/include/functions_reporting_html.php b/pandora_console/include/functions_reporting_html.php
index cd764dbf32..0b0fcf3a74 100644
--- a/pandora_console/include/functions_reporting_html.php
+++ b/pandora_console/include/functions_reporting_html.php
@@ -4007,7 +4007,7 @@ function reporting_html_text(&$table, $item)
  */
 function reporting_html_availability($table, $item, $pdf=0)
 {
-    $retun_pdf = '';
+    $return_pdf = '';
 
     $style = db_get_value(
         'style',
@@ -4234,7 +4234,7 @@ function reporting_html_availability($table, $item, $pdf=0)
             } else {
                 $table_row[] = $row['agent'];
                 $item_name = $row['availability_item'];
-                if ((bool) $row['compare'] === false) {
+                if ((bool) $row['compare'] === true) {
                     $item_name .= ' ('.__('24 x 7').')';
                 }
 
@@ -4422,6 +4422,7 @@ function reporting_html_availability($table, $item, $pdf=0)
             $table2->data[] = $table_row2;
         }
     } else {
+        $table = new stdClass();
         $table->colspan['error']['cell'] = 3;
         $table->data['error']['cell'] = __(
             'There are no Agent/Modules defined'